[Freeswitch-users] Audio delay when conferencing

Anthony Minessale anthony.minessale at gmail.com
Thu Apr 30 14:30:43 PDT 2009

the mailing list is not the correct place to report issues.


We have 8 people conferences that last as long as 12 hours a day every day
and there
is no delay.

Be advised if you open a jira it will require that you download and compile
and retest your issue on SVN trunk.

If we cannot find an issue in FreeSWITCH, consider contacting FreeSWITCH
Solutions for commercial support
debugging your 3rd party elements: http://www.freeswitchsolutions.com

On Thu, Apr 30, 2009 at 3:54 PM, Chris Fowler <chris at fowler.cc> wrote:

> I'm using FreeSWITCH (Build 13168M) and we're having intermittent
> multi-second delays on conference bridges with more than three participants
> (this is not a new issue - just bubbled to the top of the stack to address).
> The server is running on Amazon's AWS c1.medium instance, CentOS 5.0 with
> Kernel 2.6.18 32-bit i386.
> I recorded a conference which shows the problem nicely:
> http://cfowl.postinbox.com/c.wav
> Callers are coming on via the internal sofia profile from various physical
> locations.  I'm not sure how to proceed with debugging this issue - advice
> welcome.
>  <profiles>
>    <profile name="default">
>      <param name="domain" value="$${domain}"/>
>      <param name="rate" value="32000"/>
>      <param name="interval" value="10"/>
>      <param name="energy-level" value="100"/>
>      <param name="member-flags" value="waste"/>
>      <param name="caller-controls" value="rightscale"/>
>      <param name="sound-prefix" value="$${base_dir}/sounds/en/us/callie"/>
>      <param name="muted-sound" value="conference/conf-muted.wav"/>
>      <param name="unmuted-sound" value="conference/conf-unmuted.wav"/>
>      <param name="alone-sound" value="conference/conf-alone.wav"/>
>      <param name="moh-sound" value="$${hold_music}"/>
>      <param name="enter-sound" value="tone_stream://%(200,0,500,600,700)"/>
>      <param name="exit-sound"
> value="tone_stream://%(500,0,300,200,100,50,25)"/>
>      <param name="kicked-sound" value="conference/conf-kicked.wav"/>
>      <param name="locked-sound" value="conference/conf-locked.wav"/>
>      <param name="is-locked-sound" value="conference/conf-is-locked.wav"/>
>      <param name="is-unlocked-sound"
> value="conference/conf-is-unlocked.wav"/>
>      <param name="pin-sound" value="conference/conf-pin.wav"/>
>      <param name="bad-pin-sound" value="conference/conf-bad-pin.wav"/>
>      <param name="comfort-noise-level" value="1400"/>
>      <param name="caller-id-name" value="$${outbound_caller_name}"/>
>      <param name="caller-id-number" value="$${outbound_caller_id}"/>
>      <param name="comfort-noise" value="true"/>
>    </profile>
> Thanks, Chris.
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Anthony Minessale II

FreeSWITCH http://www.freeswitch.org/
ClueCon http://www.cluecon.com/

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